LS 400 V8-4.0L (1UZ-FE) (1990)
Data Link Connector: Testing and Inspection
TT Terminal Circuit
TT Terminal Circuit
CIRCUIT DESCRIPTION
Checks of ECU input and output signals related to the throttle position sensor, brakes, shift position and other circuits can be performed by measuring
the voltages at terminal TT of the check connector.
DIAGNOSTIC CHART
WIRING DIAGRAM
WIRING ROUTING